Switch statement in R Programming - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to use the switch statement to print the day name for 1.

R Programming

day <- 1
result <- switch(day, [1], "Tuesday", "Wednesday")
print(result)

Drag options to blanks, or click blank then click option'

A"1"

B1

CMonday

D"Monday"

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to put quotes around the day names.

Using numeric values instead of strings for day names.

The switch function matches the value 1 to the first option, which should be the string "Monday".

2fill in blank

medium

Complete the code to use switch with character input to print the correct fruit color.

R Programming

fruit <- "apple"
color <- switch(fruit, apple = [1], banana = "yellow", cherry = "red")
print(color)

Drag options to blanks, or click blank then click option'

Agreen

B"red"

C"green"

Dred

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes around the color names.

Using the wrong color for apple.

The switch matches the string "apple" and returns the color "green" as a string.

3fill in blank

hard

Fix the error in the switch statement to return the correct output for number 3.

R Programming

num <- 3
result <- switch(num, "one", "two", [1])
print(result)

Drag options to blanks, or click blank then click option'

Athree

B"three"

C"3"

D3

Attempts:

3 left

💡 Hint

Common Mistakes

Using numeric values instead of strings.

Forgetting quotes around the string.

The switch statement expects string values for output. The correct string for 3 is "three".

4fill in blank

hard

Fill both blanks to create a switch that returns the correct day name for 2 and 4.

R Programming

day <- 4
name <- switch(day, [1], [2], "Wednesday", "Thursday")
print(name)

Drag options to blanks, or click blank then click option'

A"Monday"

B"Tuesday"

C"Wednesday"

D"Thursday"

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up the order of days.

Not using quotes for day names.

The first blank is the name for day 1: "Monday". The second blank is the name for day 2: "Tuesday".

5fill in blank

hard

Fill all three blanks to create a switch that returns the correct fruit color for "banana".

R Programming

fruit <- "banana"
color <- switch(fruit, apple = [1], banana = [2], cherry = [3])
print(color)

Drag options to blanks, or click blank then click option'

A"green"

B"yellow"

C"red"

D"blue"

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong colors for fruits.

Forgetting quotes around color names.

The switch returns "green" for apple, "yellow" for banana, and "red" for cherry.